CN85102532A - Rear-wheel driving bicycle with gear driving system - Google Patents
Rear-wheel driving bicycle with gear driving system Download PDFInfo
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- CN85102532A CN85102532A CN 85102532 CN85102532A CN85102532A CN 85102532 A CN85102532 A CN 85102532A CN 85102532 CN85102532 CN 85102532 CN 85102532 A CN85102532 A CN 85102532A CN 85102532 A CN85102532 A CN 85102532A
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- bicycle
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- vehicle frame
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Abstract
The present invention introduces a kind of gear driving bicycle of novelty.Its characteristics are the same steerage gear that has internal tooth, and back-wheel drive.Vehicle frame can be a triangular structure.It is good, simple and reasonable that this bicycle has a transmission performance, advantage such as in light weight.Also have various distortion cars.This bicycle is saved raw material, and processing technology is simple, and Regular Bicycle factory changes the line of production than being easier to.
Description
The present invention introduces a kind of gear driving bicycle.The manufacturing scope that belongs to bicycle.
Bicycle is a kind of middlebrow vehicle, also is the instrument of sports and amusement simultaneously.The present bicycle overwhelming majority adopts open type or semi-open type chain-driving and arch bar truck, and therefore, the poor lubrication of transmission device is affected driving efficiency.And also be easy to generate fault between chain and chain cover or the chain guard.The moment of vehicle frame becomes the many energy of punishment loss in travelling simultaneously, also has the heavier problem of complete vehicle weight.
The gear driving bicycle (seeing (world's light industry) 1984.1 phases of magazine) that a kind of f-w-d is abroad arranged.It is not too reasonable to exist total arrangement, and the seat tube angulation is too small, makes the performance of exerting oneself of bicycle influenced, scrunches simultaneously with grasping to have mutual interference mutually between the direction.
The objective of the invention is has the bicycle of the rational deployment and the advantage easy to use of chain-driving bicycle again for a kind of high transmission performance of existing gear driving bicycle is provided.
Another object of the present invention is that the overall structure of bicycle is oversimplified, and reduces because legpower makes the degradation of energy that short time set caused of vehicle frame generation, alleviates the weight of bicycle simultaneously.
The present invention comprises the power of bicycle and accepts part, by a gear system direct drive trailing wheel.Vehicle frame adopts the simplified structure of no center tap.Can adopt rotation to scrunch or reciprocating type scrunching, also can become the part of other class bicycle.
Gear system is that approximate the same of internal speed variator of bicycle of a kind of profile turns to.The gear speed increaser of parallel transmission.Its radially outermost layer be the axle skin that links with internal tooth, axially outermost end is the driving gear shaft neck.Can adopt fixed shaft gear train gear transmission or planet circular system gear transmission.Each swivel joins together by the gear side casing of bearing and both sides, thereby can realize the same steerage gear of enclosed of driving gear and final stage gear.Can on suitable swivel, add escapement, and can on suitable engaging gear, add transmission system.Can adopt oil-bath type lubricated in this driving device.
The driving gear shaft of pedal crank and this wheel word connects.The axle skin links up by width of cloth bar with the back rim, and the car band is installed on the circle of back with usual way.
With frame materials trailing wheel and preceding face, these three positions of vehicle seat are contacted directly, formed the vehicle frame of no center tap structure.Can be the vehicle frame of triangle, scarce triangle edge or trapezium structure.The side box body of gear system is fixed in the fork of vehicle frame rear lower.Vehicle seat is installed in the back upper place of vehicle frame.Heel brace can be installed in front-wheel or other correct position.Other parts of bicycle assemble according to present method in common.In order to improve steering stability, can between handlebar or front fork and preceding face or other position of vehicle frame, add torsion spring, strengthen righting moment.
Wheel word of the present invention can adopt common metallic material, also can adopt suitable engineering plastics such as nylon.Vehicle frame can adopt other material of common metallic material even low elastic modulus.
It is rationally simple that the present invention has overall structure, in light weight, saving in material.The enclosed gear transmission lubricates, thereby has improved driving efficiency and reliable transmission.Total arrangement is more reasonable, has eliminated because the short time set next degradation of energy of generation that legpower produces vehicle frame.And the performance of exerting oneself is good, easy to use.
The description of the drawings Fig. 1 is the practical routine main diagrammatic sketch of the present invention that a kind of rotation scrunches.Fig. 2 is the main diagrammatic sketch of the practical example of a kind of the present invention who back and forth scrunches.Fig. 3 is the main diagrammatic sketch of the tandem bicycle of a kind of preceding chain-driving, backgear transmission.Fig. 4 is the double carriage that a kind of preceding chain-driving, backgear transmission and chain-drive are used both hands and feet.
Practical example 1: as shown in Figure 1, pedal and crank are fixed on by pin key on the driving gear shaft of gear system 1, and the other parts 2 of trailing wheel are connected on the axle skin of gear system, and trailing wheel can be selected 28 or 26 wheels for use.The side box body of gear system is fixed by bolts in the back vent of triangle frame.Vehicle seat 5 is fixed in the upper beam of vehicle frame by the swinging seat pipe.Front-wheel 3 is selected 20 or 22 wheels for use, and handlebar 6 is selected down curved for use.The alternative steel wire gate.The assembly method of these parts and other part is identical with method commonly used now.Can between front fork and vehicle frame, add torsion spring.The transmitting ratio of gear system optional 0.4.
Material selection is the material of the appropriate section of bicycle commonly used now.Using method is identical with existing general bicycle.
Practical example 2: the driving gear shaft of long crank 2 by ratchet and gear system 1 connection that joins, the other end and pedal link.Walking around dead sheave 3 with suitable ropy long, that be difficult for being stretched between two cranks links.The other parts 4 of trailing wheel are connected on the axle skin of gear system.Wheel can be selected 28 or 26 wheel for use.The side box body of gear system is fixed by bolts in the back vent of triangle frame 6.Vehicle seat 5 is fixed in the upper beam of vehicle frame by the seat pipe.Handlebar can be selected the peace handle for use.Selecting for use of other parts is identical with the general-duty bicycle with assembling.As if original ratchet person, can cancel in the gear system.
Material is identical with the appropriate section of existing general bicycle.Using method is up and down reciprocatingly to scrunch.
Practical example 3: as shown in Figure 3, the axle skin of gear system 1 links by the other parts 2 of width of cloth bar and trailing wheel, the side box body of gear system 1 is fixed by bolts in the back vent of vehicle frame 3,4 is axis, floral disc, crank etc., floral disc connects by chain and rear flywheel, and flywheel links by the driving gear shaft of ratchet and gear system 1.Back vehicle seat 5 is on the Vee formation frame of vehicle frame 3.Front seat and rear bar 6 are fixed in the neutral beam of vehicle frame 3.7 is front-wheel, and 8 is front fork and handlebar, and assembly method is identical with existing universal method.
Material is identical with the appropriate section of existing general bicycle.Using method is double scrunching, and the front stall person grasps direction.
Practical example 4: as shown in Figure 4, other parts are identical with practical example 3, difference only is: the 4th, and back seat person's hand crank, axle and floral disc etc., floral disc links by the independent flywheel of chain and rear axle, and flywheel links by the driving gear shaft of ratchet and gear system 1.Constitute this kind tandem bicycle.
Material is identical with practical example 3.Using method: direction is stepped on and grasped to front stall person pedal.Back seat the person use both hands and feet.
Claims (9)
1, gear driving bicycle, essential characteristic of the present invention are to accept power pack section by a wheel word, the trailing wheel of direct drive bicycle.
2, the bicycle described in claim 1, its vehicle frame is the simplified structure of no center tap.
3, the bicycle described in claim 1, its gear system are that final stage ring gear is the same steerage gear of internal tooth.
4, the bicycle described in claim 2, its vehicle seat standpipe is fixed in the upper beam that forms an angle with ground.So as to vibration damping.
5, the bicycle described in claim 2 and claim 3 is equipped with escapement between the driving gear shaft of long crank and gear system, and is provided with the crank interface on vehicle frame, forms reciprocal pedal-type bicycle.
6, the bicycle described in claim 2 and claim 3, steamboat before adopting, back bull wheel, short wheelbase vehicle frame.
7, the bicycle described in claim 3 adopts front stall person chain-driving, and back seat person gear transmission forms double carriage.
8, the bicycle described in claim 7, appropriate location adds chain gearing between two vehicle seats, and back seat person's hand-screw turning effort is delivered to trailing wheel.
9, the bicycle described in claim 1 is equipped with the torsion spring that increases righting moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85102532 CN85102532A (en) | 1985-04-01 | 1985-04-01 | Rear-wheel driving bicycle with gear driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85102532 CN85102532A (en) | 1985-04-01 | 1985-04-01 | Rear-wheel driving bicycle with gear driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85102532A true CN85102532A (en) | 1986-09-17 |
Family
ID=4792585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85102532 Pending CN85102532A (en) | 1985-04-01 | 1985-04-01 | Rear-wheel driving bicycle with gear driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85102532A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719553A (en) * | 2016-08-10 | 2018-02-23 | Bh自行车欧洲有限公司 | Electric bicycle fame and electric bicycle |
-
1985
- 1985-04-01 CN CN 85102532 patent/CN85102532A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719553A (en) * | 2016-08-10 | 2018-02-23 | Bh自行车欧洲有限公司 | Electric bicycle fame and electric bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |